import os, yaml

class DataLoader:
    TEST_DATA_PATH = os.path.join(os.path.dirname(__file__), "../config/test_data.yaml")

    @classmethod
    def load(cls, sheet_name):
        with open(cls.TEST_DATA_PATH, encoding="utf-8") as f:
            data = yaml.safe_load(f)
        return data.get(sheet_name, [])